It kind of makes me think of those old projectors teachers would use. I don't know if that has already been used.
a paint brush drawing the curves X
tarot card, there is one with a heart, or the queen of hearts play card to be changed according to the design X
my personal pick would be, too elegant hands with henna. the designing being the one in the overlay X
since it's black lace gloves/piece with the design on them would also look elgenet. it's such an open piece that you can have a lot of fun with it's CI :D